Simpson Lake

Ferry County, WA

MAYBEConfidence · Low
Best bite window
The highlighted window has passed. This read is still based on the latest cached weather; use the 7-Day forecast below for the next window.
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Simpson Lake — light winds and rising pressure after a passing system for this window. Watch a front passing through. Weather-only read (no on-water history calibrating this yet).

Next forecast window
MAYBE

Fri · Sep 11, 9 AM → 1 PM (America/Los_Angeles)

Full read

The latest cached fishing-weather read for Simpson Lake in Ferry County, WA is MAYBE. Its highlighted window has passed, so use the 7-day forecast below for the next available window. The main factor in its favor was dry conditions across the window, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 6 mph out of the south, gusting to 14 mph; surface pressure near 966 hPa on a rising trend; 0.00 inches of rain; and air temperature near 66 °F with clear dominant. Confidence in this cached read is low; it was generated September 10, 2026, 1:22 PM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED September 10, 2026, 1:22 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
6mph

S · gust 14

Rain / Weather
0in

Clear

Temp
66°F

19°C · hum 44%

Pressure
28.53inHg

Rising

7-Day Fishing Forecast

One read per day — the bite call, the window, the weather behind it

  1. Thu · Sep 10
    Window passed
    MAYBE
    A front passing through
    86° / 59°F
    6 mph · Sgust 22
    0.00 in
    ↓ -7.6 hPa
  2. Fri · Sep 11
    9 AM → 1 PM
    MAYBE
    A front passing through
    77° / 59°F
    6 mph · Ngust 14
    0.00 in
    ↑ +6.0 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    73° / 55°F
    4 mph · Ngust 8
    0.00 in
    ↓ -4.2 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    MAYBE
    A front passing through
    75° / 50°F
    3 mph · Ngust 10
    0.00 in
    ↑ +5.2 hPa
  5. Mon · Sep 14
    10 AM → 2 PM
    MAYBE
    A front passing through
    73° / 46°F
    3 mph · SEgust 5
    0.00 in
    ↓ +2.1 hPa
  6. Tue · Sep 15
    10 AM → 2 PM
    MAYBE
    A front passing through
    77° / 52°F
    4 mph · Egust 6
    0.00 in
    ↑ +3.8 hPa
  7. Wed · Sep 16
    10 AM → 2 PM
    MAYBE
    A front passing through
    81° / 52°F
    3 mph · Egust 7
    0.00 in
    ↓ +0.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+0.7 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
6 mph · gust 19 · S
Temperature
Warmer
+7.9°F over 72h82–48°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

Nearby waters

Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.